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    <title>Document</title>
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<body>
    <button id="btn">查询</button>
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    <script>
        var btn = document.getElementById("btn");
        btn.onclick = function() {
            getJSON('http://127.0.0.1:8088/es6/employee.json').then(function(results) {
                results;
            }, function(error) {
                console.error(error);
            })
        }
    </script>
</body>

</html>